<style>

.myheader {
  background-image: url("https://github.com/holtzy/data_to_viz/raw/master/img/overview_RGG_faded.png");
    min-height: 300px; 
    background-size: 100% 100%;

    /* Create the parallax scrolling effect */
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
  
  
    height: 100%; 
    width: 100% !important;
  
}

    

</style>

<div class="myheader" style="text-align: center;">
  <a href="http://www.data-to-viz.com"> <img style="width: 20%" src="https://github.com/holtzy/data_to_viz/raw/master/img/logo/tree-s.png"> </a>
</div>





